CN112018700A - A multi-cable fixing clamp - Google Patents

Abstract

The invention belongs to the field of overhead wiring of insulated conductors, and particularly relates to a multi-cable fixing wire clamp. A multi-cable fixer common in the market is often manufactured to be complex in structure in order to fix a plurality of cable lines simultaneously, the cable fixer complex in structure undoubtedly increases extra workload for actual operators, and the whole service life is shortened due to different aging degrees of parts of different parts. The utility model provides a many cable fixing clamp, includes the U-shaped hook, U-shaped hook one end is connected with the double-screw bolt, the cover is equipped with fixed fork and fixed fork set nut in proper order on the double-screw bolt.

Description

A multi-cable fixing clamp

technical field

The invention belongs to the field of overhead wiring of insulated wires, and in particular relates to a multi-cable fixing clip.

Background technique

With the rapid development of society, human society has an increasingly strong demand for electricity and communication. At this stage, human society mainly relies on cables for power transmission and communication transmission. When using cables for power transmission and communication transmission, a large number of cables are required for pre-wiring. In order to fix multiple cable lines at the same time, the common multi-cable holders on the market are often made with complex structure. Different degrees of component aging reduce the overall service life. As disclosed in the invention CN201720748497.4, a flexible and fixed cable tray not only has complex structure and low reliability, but also has complicated operation and heavy workload during the disassembly and maintenance of the cable line. In order to solve the above problems, the present invention wishes to provide a multi-cable fixing clip.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a multi-cable fixing clip to solve the above-mentioned problems in the background art.

To achieve the above object, the present invention provides the following technical solutions:

A multi-cable fixing clip includes a U-shaped hook, one end of the U-shaped hook is connected with a stud, and a fixing fork and a fixing fork positioning nut are sleeved on the stud in sequence.

Preferably, the fixing fork includes a ring bottom, and two abutting pieces are fixedly connected to the ring bottom, the two abutting pieces are identical, and the two abutting pieces are parallel to each other.

Preferably, the abutting piece is a triangular abutting piece, and one top corner of the triangular abutting piece is fixedly connected with the bottom of the ring; the tops of the two triangular abutting pieces are the same height.

Preferably, on the open side of the U-shaped hook, a connecting piece is provided between the two triangular abutting pieces, and the top height of the connecting piece is greater than the top height of the triangular abutting piece.

Preferably, the inner diameter of the ring bottom is 2-3 mm larger than the cross-sectional diameter of the U-shaped hook.

Preferably, the fixing fork positioning nut is divided into a hexagonal nut and an externally threaded bolt, the externally threaded bolt and the hexagonal nut are limitedly sleeved, and the surface of the externally threaded bolt is provided with anti-skid lines.

Preferably, a fixing fork, a fixing fork washer and a fixing fork positioning nut are sequentially sleeved on the stud.

Preferably, the inner ring of the U-shaped hook is flat.

Compared with the prior art, the beneficial effects of the present invention are:

(1) One top corner of the triangular abutting piece is connected to the bottom of the ring, and the force on the bottom edge of the triangular abutting piece is collected to the top corner of the triangular abutting piece. Compared with the rectangular abutting piece, the triangular abutting piece is Can withstand greater pressure;

(2) The top heights of the two triangular contact pieces fixed on the ring bottom are the same, which ensures that the clamped cable is perpendicular to the clamp;

(3) The two triangular abutting pieces are connected to each other through a connecting piece, which makes the parallel relationship between the two triangular abutting pieces more stable, and reinforces the firmness of the fixing fork;

(4) The top height of the connecting piece is greater than the top height of the triangular contact piece, so that a narrow opening is formed between the opening of the U-shaped hook and the connecting piece, and the cable fixed in the U-shaped hook is laterally limited to prevent the cable from passing through the U-shaped hook. The opening of the hook slides out;

(5) The inner diameter of the ring bottom is slightly larger than the cross-sectional diameter of the U-shaped hook. Adjust the positioning nut of the fixing fork to a suitable position. The fixing fork can move in a small arc in the plane where the U-shaped hook is located; when no cable is placed in the U-shaped groove, The narrow opening between the opening of the U-shaped hook and the connecting piece can be opened to the maximum, which is convenient for the cable to be put in. As the number of cables is put in, the narrow opening gradually decreases; To the minimum, limit the cable placed in the U-shaped hook, and finally tighten the fixing fork positioning nut to firmly fix the cable;

(6) The fixing fork positioning nut is divided into hexagonal nut and external thread bolt. Through the external thread bolt, the operator can directly tighten the fixing fork positioning nut without using tools, which is convenient for disassembly and installation;

(7) The setting of the fixed fork spacer prevents the fasteners at the involved position from loosening;

(8) The inner ring of the U-shaped hook is flat to increase the contact area between the U-shaped hook and the cable, increase the friction, and improve the stability of the cable fixing.

Description of drawings

Fig. 1 is the structural representation of the present invention;

FIG. 2 is a schematic structural diagram of the device shown in FIG. 1 after fixing four cables;

Fig. 3 is the front view after the expansion bolt and 4 cables are installed on the device described in Fig. 1;

Fig. 4 is the front view after the expansion bolt is installed on the device described in Fig. 1;

5 is a schematic structural diagram of a U-shaped hook-stud assembly in the device shown in FIG. 1;

FIG. 6 is a schematic structural diagram of a fixed fork in the device shown in FIG. 1;

Label description: 1. U-shaped hook; 2. Stud; 3. Fixed fork; 4. Fixed fork positioning nut; 5. Sleeve nut; 6. Sleeve; 7. Expanding nut; 8. Ring bottom; 9. Triangle Abutting piece; 10, connecting piece; 11, fixing fork gasket; 12, spring washer; 13, flat washer; 14, cable.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

Please refer to FIG. 1 to FIG. 6 , the present invention provides a technical solution for fixing a multi-cable clip:

A multi-cable fixing clip, comprising a U-shaped hook 1, one end of the U-shaped hook 1 is connected with a stud 2, and the stud 2 is sequentially sleeved with a fixing fork 3, a fixing fork positioning nut 4, and a casing nut 5 , sleeve 6 and expansion nut 7. In order to prevent the loosening of each fastener, a fixed fork washer 11 is provided between the fixed fork 3 and the fixed fork positioning nut 4, and a spring washer 12 and a flat washer 13 are arranged between the sleeve nut 5 and the sleeve 6 in turn. The fixing fork 3 includes a ring bottom 8 and two triangular abutting pieces 9, the respective top corners of the two triangular abutting pieces 9 are fixedly connected to the ring bottom 8, and the two triangular abutting pieces 9 are parallel to each other. At the same time, it is ensured that the top heights of the two triangular contact pieces 9 are the same, so that the fixed cable is perpendicular to the plane where the U-shaped hook 1 is located, showing a good fixed state. In order to make the parallel relationship between the two triangular abutting pieces 9 more stable, a connecting piece 10 is provided between the two triangular abutting pieces 9 on the opening side of the U-shaped hook 1 to prevent the two triangular abutting pieces from being caused by high-strength extrusion. The webs 9 form a branch. The top height of the connecting piece 10 is greater than the top height of the triangular contact piece 9, so that a narrow opening is formed between the opening of the U-shaped hook 1 and the connecting piece 10, and the cable fixed in the U-shaped hook 1 is laterally limited to prevent the cable Slide out from the opening of the U-shaped hook 1. The inner diameter of the ring bottom 8 is 2 mm larger than the cross-sectional diameter of the U-shaped hook 1 , the fixing fork positioning nut 4 is adjusted to a proper position, and the fixing fork 3 can move slightly in the plane where the U-shaped hook 1 is located. When no cable is placed in the U-shaped hook 1, the narrow opening between the opening of the U-shaped hook 1 and the connector 10 can be opened to the maximum, which is convenient for the cable to be inserted. When the last cable is put in, the narrow opening is minimized, the cable placed in the U-shaped hook is initially limited, and finally the fixing fork positioning nut 4 is tightened to firmly fix the cable. The fixing fork positioning nut 4 is divided into a hexagonal nut and an externally threaded bolt. The externally threaded bolt is limitedly fitted with the hexagonal nut, and the surface of the externally threaded bolt is provided with anti-skid lines, which is convenient for direct adjustment by hand.

The working principle and use process of the present invention: drill a hole with a suitable depth on the wall surface where the wire clip needs to be installed, insert the wire clip into it, rotate the casing nut 5 to the side against the wall, and the casing 6 is in the casing Pushed by the nut 5, it moves to the expansion nut 7, and the expansion nut 7 stretches the casing 6, and finally the wire clamp is fixed in the drilled hole. Adjust the fixing fork positioning nut 4 to an appropriate position to ensure that the fixing fork 3 can swing back and forth in a small range within the plane where the U-shaped hook 1 is located. When the cable is not put in, the narrow opening formed by the U-shaped hook 1 and the connecting piece 10 is opened to the maximum. A cable, at this time, the clip has achieved a preliminary limit to the cable. Finally, tighten the fixing fork positioning nut 4, so that the fixing fork 3 and the U-shaped hook 1 clamp the cable. At this time, the width of the narrow opening is smaller than the diameter of the cable, and the cable cannot slide out of the narrow opening.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, and substitutions can be made in these embodiments without departing from the principle and spirit of the invention and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (8)

1. The utility model provides a many cable fixing clamp which characterized in that: the novel fixing device is characterized by comprising a U-shaped hook, wherein one end of the U-shaped hook is connected with a stud, and a fixing fork positioning nut are sequentially sleeved on the stud.

2. A multi-cable fixing clip according to claim 1, wherein: the fixing fork comprises a ring bottom, two abutting pieces are fixedly connected to the ring bottom, the two abutting pieces are completely identical, and the two abutting pieces are parallel to each other.

3. A multi-cable fixing clip according to claim 2, wherein: the supporting sheet is a triangular supporting sheet, and one vertex angle of the triangular supporting sheet is fixedly connected with the ring bottom; the top heights of the two triangular abutting pieces are the same.

4. A multi-cable fixing clip according to claim 3, wherein: at the opening side of U-shaped hook, two be equipped with the connecting piece between the triangle butt piece, the top height of connecting piece is greater than the top height of triangle butt piece.

5. A multi-cable fixing clip according to claim 2, wherein: the inner diameter of the ring bottom is 2-3mm larger than the diameter of the section of the U-shaped hook.

6. A multi-cable fixing clip according to claim 1, wherein: the fixed fork positioning nut is divided into a hexagon nut and an external thread bolt, the external thread bolt is sleeved with the hexagon nut in a limiting mode, and anti-skid grains are arranged on the surface of the external thread bolt.

7. A multi-cable fixing clip according to claim 1, wherein: and a fixed fork, a fixed fork gasket and a fixed fork positioning nut are sequentially sleeved on the stud.

8. A multi-cable fixing clip according to claim 1, wherein: the inner ring of the U-shaped hook is a plane.

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